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nounany of the unicellular protiststype of:
Definition that contains protoctist
- kingdom the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia
- chondrus a genus of protoctist
- ulvales an order of protoctist
- oomycetes nonphotosynthetic fungi that resemble algae and that reproduce by forming oospores; sometimes classified as protoctists
- genus leucocytozoon a genus of protoctist
- family bangiaceae a family of protoctist
- family globigerinidae a family of protoctists
- class acrasiomycetes cellular slime molds; in some classifications placed in kingdom Protoctista
- rhodymeniaceae a family of protoctist
- protoctist family any of the families of Protoctista